16 Photos That Show What Dermatographism Looks Like

When the average person rubs or scratches their skin, they may expect to see a bit of redness or irritation – but this typically fades quickly. However, for people with dermatographism, even the slightest amount of pressure on the skin can provoke a different reaction entirely.

“Dermatographism literally means ‘to write on the skin,’” Jason Miller, M.D. of Schweiger Dermatology Group in Freehold, NJ explained to The Mighty. This means people with the condition develop quick-onset linear wheals (raised skin welts or hives) where the skin has been rubbed, scratched or had pressure applied.

These red, raised marks can be painful, itchy and frustrating to deal with when they arise. However, “there is often no persistent rash to explain the sensations,” Dr. Miller explained. “The symptoms usually come and go within minutes, but can recur frequently enough to cause a patient to seek the care of a medical professional.”

Even if you don’t have wheals 100 percent of the time, you are not alone if the pain or discomfort has an impact on your quality of life. Miller added that some people with dermatographism may experience worsening symptoms at night, which can affect your quality of sleep – leading to fatigue over time.

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